001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    
019    package org.apache.hadoop.yarn.api.protocolrecords;
020    
021    import org.apache.hadoop.classification.InterfaceAudience.Private;
022    import org.apache.hadoop.classification.InterfaceAudience.Public;
023    import org.apache.hadoop.classification.InterfaceStability.Stable;
024    import org.apache.hadoop.classification.InterfaceStability.Unstable;
025    import org.apache.hadoop.yarn.api.ContainerManager;
026    import org.apache.hadoop.yarn.api.records.ContainerStatus;
027    
028    /**
029     * <p>The response sent by the <code>NodeManager</code> to the 
030     * <code>ApplicationMaster</code> when asked to obtain the <em>status</em> 
031     * of a container.</p>
032     * 
033     * @see ContainerManager#getContainerStatus(GetContainerStatusRequest)
034     */
035    @Public
036    @Stable
037    public interface GetContainerStatusResponse {
038      /**
039       * Get the <code>ContainerStatus</code> of the container.
040       * @return <code>ContainerStatus</code> of the container
041       */
042      @Public
043      @Stable
044      public abstract ContainerStatus getStatus();
045      
046      @Private
047      @Unstable
048      public abstract void setStatus(ContainerStatus containerStatus);
049    }